flow-slide-heave

Necesito traducir heave, aplicado a geologíay relacionado a los términos flow-slide-heave.
Les envío una parte para que me ayuden

Heave occurs due to the expansion and contraction of slope material; either soil (soil creep) or fractured rock (talus creep). This expansion and contraction is can be caused by wetting and drying, freezing and thawing (frost creep), temperature changes and burrowing animals. The downslope movement results from particles in the expanding soil being lifted normal to the slope angle and then dropping under the influence of gravity in a vertical direction. On steep grass covered slopes narrow terracettes can form through soil creep.

Muchas gracias
 
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